X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/2e1670a821ac2582ac8c65f3ec39bfa64d27577a..7cd40ea4eb8955765dc3e61dd3edaf08d1bbab48:/IkiWiki/Plugin/postsparkline.pm

diff --git a/IkiWiki/Plugin/postsparkline.pm b/IkiWiki/Plugin/postsparkline.pm
index 6f7558bc4..9e885741e 100644
--- a/IkiWiki/Plugin/postsparkline.pm
+++ b/IkiWiki/Plugin/postsparkline.pm
@@ -55,11 +55,20 @@ sub preprocess (@) { #{{{
 	if ($@) {
 		return "[[postsparkline error $@]]";
 	}
+
+	if (! @data) {
+		# generate an empty graph
+		push @data, 0 foreach 1..($params{max} / 2);
+	}
+
+	my $color=exists $params{color} ? "($params{color})" : "";
+
 	delete $params{pages};
 	delete $params{formula};
 	delete $params{ftime};
+	delete $params{color};
 	return IkiWiki::Plugin::sparkline::preprocess(%params, 
-		map { $_ => "" } reverse @data);
+		map { $_.$color => "" } reverse @data);
 } # }}}
 
 sub perfoo ($@) {